Electrocautery, Electro Surgical Unit, ESU

ESU, short for Electrosurgical Unit, is a medical device commonly used during surgical procedures. Its primary function is to control bleeding and cut or coagulate tissues. ESUs use electrical energy to create high-frequency alternating current, which is then used for various surgical techniques, such as electrocautery, Bovie, and bipolar cautery.

Electrocautery is a technique that combines the use of electricity and heat to cut or destroy tissues. An electric current is applied to the targeted area, causing the tissue to heat up and coagulate, thereby sealing blood vessels and minimizing bleeding. This technique is often used in surgeries that involve incisions, excisions, or the removal of abnormal tissue.

Bovie, or "Bovie Electrosurgical Generator," is a brand name that has become synonymous with electrosurgery. It refers to a specific type of ESU that is widely used in various medical specialties. Bovie offers a range of electrosurgical generators that provide different power outputs and functionalities to meet the specific needs of different surgical procedures.

Bipolar cautery is another technique used with ESUs. This method involves the use of two electrodes that are close together and simultaneously deliver electrical energy. The current flows only between these two electrodes, allowing for precise and controlled coagulation with minimal impact on surrounding tissues. Bipolar cautery is commonly used in delicate surgeries where precision is vital, such as neurosurgery and ophthalmic procedures.

Frequently Asked Questions

How does electrosurgery work?

Electrosurgery involves the use of electrical energy to cut or coagulate tissues. The electrical current passes through the targeted tissue, generating heat, which can be used to either cut or coagulate the tissue, depending on the desired effect.

Is electrosurgery safe?

When used by trained medical professionals, electrosurgery is considered safe. However, there are potential risks, such as burns, electrical shocks, or unintended tissue damage, if not used correctly. Proper training and adherence to safety protocols are crucial for minimizing these risks.

What are the advantages of using ESUs?

ESUs offer several advantages in surgical procedures. They provide precise tissue cutting and coagulation, thereby reducing bleeding and surgical time. ESUs also allow for better visibility during surgery, as they produce minimal smoke compared to other traditional surgical techniques.

Are there any limitations or contraindications to electrosurgery?

Electrosurgery may not be suitable for all patients or procedures. It is contraindicated for patients with certain medical conditions, such as cardiac pacemakers or defibrillators, and caution must be exercised when operating near vital structures or in the presence of flammable substances.

What is the difference between monopolar and Bipolar Electrosurgery

Monopolar Electrosurgery

• • Current Path: The electrical current passes from the active electrode, through the target tissue, and returns to the generator via a grounding pad placed on the patient.

  • Applications: Suitable for cutting, coagulating, desiccating, and fulgurating tissue.

  • Advantages: Versatile and effective for a wide range of surgical procedures.

  • Considerations: There is a risk of patient burns if the grounding pad is not properly placed.

Bipolar Electrosurgery

• • Current Path: The electrical current passes between two tips of a forceps-like instrument, confining the current to the tissue grasped by the forceps.

  • Applications: Ideal for procedures requiring precise control, such as delicate tissue work in ophthalmology and gynecology.

  • Advantages: Reduced risk of patient burns and better control over the targeted area.

  • Considerations: Less powerful than monopolar units, making it less effective for cutting larger areas.

What maintenance and care are required for ESUs?

Regular maintenance and care of ESUs are essential to ensure their proper functioning. This may include routine cleaning, calibration checks, verification of accessories, and adherence to manufacturer guidelines. Qualified biomedical technicians should perform maintenance tasks to ensure safety and optimal performance.

Remember, it's always important to consult with a medical professional for specific information or guidance regarding the usage of ESUs and electrosurgical techniques, as each situation and patient may require individualized care.

What kind of Warranty do you offer?

The warranty varies depending on the condition and item. The warranty is specified for most of the items listed, however the following are general rules.

• We offer 90 days warranty on all our refurbished equipment unless specified otherwise.
• The certified or used equipment normally come with 15 days warranty unless otherwise specified.
• The new equipment comes with the manufacturer’s warranty. 

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